Respuesta :

Space

Answer:

-4x³ - 8y - 1

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Algebra I

  • Terms/Coefficients

Step-by-step explanation:

Step 1: Define

Identify

7 - 6y - 5x³ - 1 + x³ - 7 - 2y

Step 2: Simplify

  1. [Addition] Combine like terms (x³):                                                                  -4x³ + 7 - 6y - 1 - 7 - 2y
  2. [Subtraction] Combine like terms (y):                                                              -4x³ - 8y + 7 - 1 - 7
  3. [Subtraction] Combine like terms:                                                                   -4x³ - 8y - 1

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